Assistant Professor Zainab Jabbar Youssef, and Professor Dr. Suhail Abdullah Al-Tamimi. 2024. “THE INTERACTIVE EFFECT OF ENVIRONMENTAL UNCERTAINTY ON THE RELATIONSHIP BETWEEN HR 4.0 COSTS AND OPERATIONAL PERFORMANCE”. World Economics and Finance Bulletin 30 (January):197-210. https://scholarexpress.net/index.php/wefb/article/view/3726.